Update node.h
xethyrion
GitHub
parent
2ee91f7621
commit
5627bb3992
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@ -28,6 +28,7 @@ struct Node
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{
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unsigned char * data;
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unsigned char * encoded;
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struct Cid * cached;
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int link_ammount;
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struct Link * links[];
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};
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@ -67,7 +68,64 @@ void Free_Link(struct Link * L)
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/*====================================================================================
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* Node Functions
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*===================================================================================*/
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//In progress
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/*Create_Empty_Node
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* Creates an empty node, allocates the required memory
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* Returns a fresh new node with no data set in it.
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*/
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struct Node * Create_Empty_Node()
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{
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struct Node * N;
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N = (struct Node *)malloc(sizeof(struct Node));
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return N;
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}
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/*Node_Set_Data
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* Sets the data of a node
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* @param Node: The node which you want to set data in.
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* @param Data, the data you want to assign to the node
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* returns 1 on success 0 on failure
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*/
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int Node_Set_Data(struct Node * N, unsigned char * Data)
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{
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if(!N || !Data)
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{
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return 0;
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}
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N->encoded = NULL;
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N->cached = NULL;
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N->data = Data;
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return 1;
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}
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/*Node_Get_Data
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* Gets data from a node
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* @param Node: = The node you want to get data from. (unsigned char *)
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* Returns data of node.
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*/
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unsigned char * Node_Get_Data(struct Node * N)
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{
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unsigned char * DATA;
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DATA = N->data;
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return DATA;
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}
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/*Node_Copy: Returns a copy of the node you input
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* @param Node: The node you want to copy (struct CP_Node *)
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* Returns a copy of the node you wanted to copy.
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*/
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struct Node * Node_Copy(struct Node * CP_Node)
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{
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struct Node * CN;
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CN = (struct Node*) malloc(sizeof(struct Node) + sizeof(struct Link) * 2);
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if(CP_Node->link_ammount != 0)
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{
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for(int i=0; i<CP_Node->link_ammount; i++)
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{
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CN->links[i] = malloc(sizeof(struct Link));
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}
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}
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memcpy(CN, CP_Node, sizeof(struct Node));
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memcpy(CN->links[0],CP_Node->links[0], sizeof(struct Link));
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return CN;
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}
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/*Node_Delete
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* Once you are finished using a node, always delete it using this.
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* It will take care of the links inside it.
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@ -89,12 +147,12 @@ void Node_Delete(struct Node * N)
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* @param Name: (char * name) searches for link with this name
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* Returns the link struct if it's found otherwise returns NULL
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*/
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struct Link * Node_Get_Link(char * Name, struct Node * N)
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struct Link * Node_Get_Link(struct Node * N, char * Name)
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{
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struct Link * L;
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for(int i=0;i<N->link_ammount;i++)
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{
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if(N->links[i]->name==Name)
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if(strcmp(N->links[i]->name,Name) == 0)
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{
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L = (struct Link *)malloc(sizeof(struct Link));
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memcpy(L,N->links[i],sizeof(struct Link));
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@ -118,7 +176,6 @@ int Node_Remove_Link(char * Name, struct Node * mynode)
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{
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if(mynode->links[i]->name == Name)
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{
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printf("FOUND THIS GUY: %s\n", mynode->links[i]->name);
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for(int x=i;x<mynode->link_ammount && x+1 != mynode->link_ammount;i++)
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{
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memcpy(mynode->links[x],mynode->links[x+1],sizeof(struct Link));
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@ -166,18 +223,29 @@ struct Node * N_Add_Link(struct Node ** mynode, struct Link * mylink, size_t lin
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* @param linksize: sizeof(the link in mylink) (size_T)
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* Returns a fresh new node with the link you specified. Has to be freed with Node_Free preferably.
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*/
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struct Node * N_Create_From_Link(struct Link * mylink, size_t linksize)
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struct Node * N_Create_From_Link(struct Link * mylink)
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{
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struct Node * mynode;
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mynode = (struct Node *) malloc(sizeof(struct Node) + linksize);
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mynode = (struct Node *) malloc(sizeof(struct Node) + sizeof(struct Link));
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mynode->link_ammount = 0;
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mynode->link_ammount++;
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mynode->links[0] = malloc(sizeof(struct Link));
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memcpy(mynode->links[0], mylink, sizeof(struct Link));
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return mynode;
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}
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//Finished
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/*N_Create_From_Data
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* @param data: bytes buffer you want to create the node from
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* returns a node with the data you inputted.
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*/
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struct Node * N_Create_From_Data(unsigned char * data)
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{
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struct Node * mynode;
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mynode = (struct Node *) malloc(sizeof(struct Node));
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mynode->data = data;
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return mynode;
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}
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/*Node_Resolve_Max_Size
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* !!!This shouldn't concern you!
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*Gets the ammount of words that will be returned by Node_Resolve
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*@Param1: The string that will be processed (eg: char * sentence = "foo/bar/bin")
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*Returns either -1 if something went wrong or the ammount of words that would be processed.
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@ -204,6 +272,7 @@ int Node_Resolve_Max_Size(char * input1)
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}
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/*Node_Resolve Basically stores everything in a pointer array eg: char * bla[Max_Words_]
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* !!!This shouldn't concern you!!!
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*@param1: Pointer array(char * foo[x], X=Whatever ammount there is. should be used with the helper function Node_Resolve_Max_Size)
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*@param2: Sentence to gather words/paths from (Eg: char * meh = "foo/bar/bin")
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*@Returns 1 or 0, 0 if something went wrong, 1 if everything went smoothly.
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@ -233,12 +302,84 @@ int Node_Resolve(char ** result, char * input1)
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}
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return 1;
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}
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/**************************************************************************************************************************************
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*|||||||||||||||||||||||||||||||||||||||| !!!! IMPORTANT !!! ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||*
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**************************************************************************************************************************************
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* Not sure where this is used, I'm making something to easen it up for all of you.
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* This in itself will get all the links for you in a link[] array inside Link_Proc
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* the memory allocation for storage will be noted in the ammount of links.
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* After being done with this, you have to free the array for which you will have a function specially made for you.
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*
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* What this does:
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* It searches for links using a path like /foo/bar/bin/, if links with those names are found in the node you specify, it stores them
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* in a custom struct, Link_Proc; which is what Node_Resolve_Link returns.
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* Notes:
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* Use it, free it, it's all already laid out for you.
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* There will also be a tutorial demonstrating it in the same folder here so everyone can understand this.
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*/
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struct Link_Proc
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{
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char * remaining_links; // Not your concern.
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int ammount; //This will store the ammount of links, so you know what to process.
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struct Link * links[]; // Link array
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};
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/*Node_Resolve_Links
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* Processes a path returning all links.
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* @param N: The node you want to get links from
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* @param path: The "foo/bar/bin" path
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*/
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struct Link_Proc * Node_Resolve_Links(struct Node * N, char * path)
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{
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if(!N || !path)
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{
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return NULL;
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}
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int expected_link_ammount = Node_Resolve_Max_Size(path);
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struct Link_Proc * LProc = (struct Link_Proc *) malloc(sizeof(struct Link_Proc) + sizeof(struct Link) * expected_link_ammount);
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LProc->ammount = 0;
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char * linknames[expected_link_ammount];
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Node_Resolve(linknames, path);
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for(int i=0;i<expected_link_ammount; i++)
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{
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struct Link * proclink;
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proclink = Node_Get_Link(N, linknames[i]);
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if(proclink)
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{
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LProc->links[i] = (struct Link *)malloc(sizeof(struct Link));
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memcpy(LProc->links[i], proclink, sizeof(struct Link));
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LProc->ammount++;
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free(proclink);
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}
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}
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//Freeing pointer array
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for(int i=0;i<expected_link_ammount; i++)
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{
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free(linknames[i]);
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}
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return LProc;
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}
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/*Free_link_Proc
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* frees the Link_Proc struct you created.
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* @param1: Link_Proc struct (struct Link_Proc *)
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*/
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void Free_Link_Proc(struct Link_Proc * LPRC)
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{
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if(LPRC->ammount != 0)
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{
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for(int i=0;i<LPRC->ammount;i++)
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{
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Free_Link(LPRC->links[i]);
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}
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}
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free(LPRC);
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}
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/*Node_Tree() Basically a unix-like ls
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*@Param1: Result char * foo[strlen(sentence)]
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*@Param2: char sentence[] = foo/bar/bin/whatever
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*Return: 0 if failure, 1 if success
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*/
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int Node_Tree(char * result, char * input1)
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int Node_Tree(char * result, char * input1) //I don't know where you use this but here it is.
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{
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if(!input1)
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{
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